function initAuxOut(zi, ch, lb, ub)
    zi.setAuxOutSelect(ch,-1);   % set Aux Output Channel to Manual Mode
    zi.setAuxOutLimitLower(ch,lb);  % set Lower Limit
    zi.setAuxOutLimitUpper(ch,ub);  % set Upper Limit
    zi.setAuxOutOffset(ch,0);
end